Hi all I am very new to XSLT programming,
I am trying to do, "Grouping using the set:Distinct template from EXSLT". I
am having problem when I try to debug the xml file, I am getting error
message undefined template. I am using XMLspy version 5 rel.4. Below is the
xml file, and xsl.
XSL file
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:set="http://exslt.org/set"; version="1.0"
extension-element-prefixes="set" set:doc="http://www.exslt.org/set";>
<xsl:output encoding="utf-8" method="html" />
<xsl:include href="style1.xsl"/>
<!-- The essence of using the variable instead is very similar to a
key table. In
this solution, all products are put into the variable (which itself is
in document order):-->
<xsl:variable name="AllProducts" select="/"/>
<!-- The variable $AllRegions will be initialized with all of the
distinct
region elements. This collection of nodes is created using the
set:distinct extension function from EXSLT.org (see bottom) -->
<xsl:variable name="AllRegionsDistinct">
<xsl:call-template name="set:distinct">
<xsl:with-param name="nodes"
select="//products/product/region" />
</xsl:call-template>
</xsl:variable>
<xsl:variable name="AllRegions" select="$AllRegionsDistinct"/>
<!-- Template for root rule -->
<xsl:template match="/">
<xsl:call-template name="Style1"/>
<h2>Grouping of Products by Region, then by Product Name </h2>
<xsl:apply-templates />
</xsl:template>
<!-- Template for products rule -->
<xsl:template match="products">
<!-- Iterate through the variable containing all of the unique
regions -->
<xsl:for-each select="$AllRegions/region">
<xsl:variable name="region" select="." /><BR></BR>
<H3>Region: <xsl:value-of select="$region" /></H3>
<table border="1">
<tr>
<th>Product ID</th>
<th>Name</th>
<th>Price</th>
<th>Quantity</th>
<th>Region</th>
</tr>
<!-- Grab the product elements that match the current
retion. At this point
the products are retrived from our variable rather
than the document itself-->
<xsl:for-each
select="$AllProducts/products/product[region=$region]">
<xsl:sort select="name"/>
<tr>
<td><xsl:value-of select="prodid" /></td>
<td><xsl:value-of select="name" /></td>
<td><xsl:value-of select="price" /></td>
<td><xsl:value-of select="quantity" /></td>
<td><xsl:value-of select="region" /></td>
</tr>
</xsl:for-each>
</table>
</xsl:for-each>
</xsl:template>
<xsl:template name="set:distinct">
<xsl:param name="nodes" select="/.." />
<xsl:choose>
<xsl:when test="not($nodes)" />
<xsl:otherwise>
<xsl:copy-of select="$nodes[1][not(. = $nodes[position() >
1])]" />
<xsl:call-template name="set:distinct">
<xsl:with-param name="nodes" select="$nodes[position()
> 1]" />
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
XML file
<?xml version="1.0" encoding="utf-8"?>
<products>
<product>
<prodid>V123049</prodid>
<name>Screen-Top Monitor Shelf</name>
<price>$59</price>
<quantity>30</quantity>
<region>NorthWest</region>
</product>
<product>
<prodid>V392039</prodid>
<name>Womens Bracelet Watch</name>
<price>$175</price>
<quantity>335</quantity>
<region>SouthWest</region>
</product>
<product>
<prodid>L930389</prodid>
<name>Tobshiba Portable DVD Player</name>
<price>$1,299</price>
<quantity> >30</quantity>
<region>NorthWest</region>
</product>
</products>
Thanks
Vandna
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